20320265

素因数分解:

$5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{881}}^1$

素因数の和:1552

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7621495

約数列:

[1, 5, 7, 35, 659, 881, 3295, 4405, 4613, 6167, 23065, 30835, 580579, 2902895, 4064053, 20320265]

約数ペア:

[(1, 20320265), (5, 4064053), (7, 2902895), (35, 580579), (659, 30835), (881, 23065), (3295, 6167), (4405, 4613)]